s = input()

n = len(s)

from itertools import product

ans = []

for state in product([0,1],repeat=n):
    t = [c for c in s]
    nums = 0
    symbols = 0
    chars = n
    for i in range(n):
        if state[i]:
            if t[i] == 'l' or t[i] == 'o':
                t[i] = '0'
                nums += 1
                chars -= 1
            elif t[i] == 'a' or t[i] == 's':
                t[i] = '$'
                symbols += 1
                chars -= 1
    if nums > 0 and symbols > 0 and chars > 0:
        ans.append(''.join(t))

ans = set(ans)
print(len(ans))